All boundaries are conventions, waiting to be transcended. One may transcend any convention, if only one can first conceive of doing so.
如果没有一颗让自己变好的心，如果没有每天点滴的努力，何时才能汇聚知识的海洋？
欢迎通过「邮件」或者点击「这里」告诉我你的想法
Welcome to tell me your thoughts via "email" or click "here"